{"id":609,"date":"2025-03-23T18:31:28","date_gmt":"2025-03-23T17:31:28","guid":{"rendered":"https:\/\/loxoneworks.cz\/?p=609"},"modified":"2025-03-23T18:31:30","modified_gmt":"2025-03-23T17:31:30","slug":"modbus-hratky-nejen-s-loxone-dil-5-podrobne-mereni-spotreby-domu-16-kanalu","status":"publish","type":"post","link":"https:\/\/loxoneworks.cz\/?p=609","title":{"rendered":"Modbus hr\u00e1tky (nejen) s Loxone \u2013 d\u00edl 5. \u2013 Podrobn\u00e9 m\u011b\u0159en\u00ed spot\u0159eby domu (16 kan\u00e1l\u016f)"},"content":{"rendered":"\n<p>Ji\u017e p\u0159ed dlouhou dobou jsem zakoupil <a href=\"https:\/\/s.click.aliexpress.com\/e\/_omsUBPV\" target=\"_blank\" rel=\"noreferrer noopener\">modul pro m\u011b\u0159en\u00ed AC proudu (16 kan\u00e1l\u016f)<\/a> pomoc\u00ed pr\u016fchoz\u00edch n\u00e1vle\u010dn\u00fdch transform\u00e1tor\u016f s komunikac\u00ed Modbus; nyn\u00ed nastal \u010das na jeho test.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"https:\/\/loxoneworks.cz\/wp-content\/uploads\/2025\/03\/image-30.png\" alt=\"\" class=\"wp-image-622\"\/><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p>Proudov\u00e9 transform\u00e1tory je t\u0159eba um\u00edstit pouze na f\u00e1zov\u00e9 vodi\u010de = L (nikoliv na cel\u00fd kabel, kde je i N a PE). Vy\u017eaduj\u00ed rovn\u011b\u017e n\u011bjak\u00fd prostor v rozvad\u011b\u010di, tak\u017ee pokud chcete m\u00edt detailn\u00ed info o spot\u0159eb\u011b toho kter\u00e9ho okruhu, myslete na to p\u0159i n\u00e1vrhu \u010di realizaci rozvad\u011b\u010de. M\u00edsta nen\u00ed nikdy dost \ud83d\ude09<\/p>\n\n\n\n<p>Nastaven\u00ed ov\u0161em dalo trochu hled\u00e1n\u00ed, proto\u017ee p\u016fvodn\u00ed eshop, kde jsem zakoupil, ji\u017e neexistuje a dokumentace ve\u0161ker\u00e1 \u017e\u00e1dn\u00e1. Nakonec se poda\u0159ilo naj\u00edt a po tro\u0161e z\u00e1polen\u00ed s \u010d\u00edn\u0161tinou a &#8222;chinglish&#8220; jsem v\u0161e rozchodil.<\/p>\n\n\n\n<p>Zapojen\u00ed je trivi\u00e1ln\u00ed &#8211; 16 transform\u00e1tor\u016f p\u0159ipoj\u00edte na pat\u0159i\u010dn\u00e9 svorky, nap\u00e1jen\u00ed modulu 24V, Modbus A\/B. Jen se nenechte zm\u00e1st popiskem &#8211; n\u00e1lepka je men\u0161\u00ed, ne\u017e rozm\u011br svorek, je t\u0159eba po\u010d\u00edtat pozice a nikoliv se \u0159\u00eddit n\u00e1pisem nad konkr\u00e9tn\u00ed svorkou.<\/p>\n\n\n\n<p>Zbytek je klasika &#8211; default ID = 1, komunikace 9600\/8\/1\/N. Za\u0159\u00edzen\u00ed pos\u00edl\u00e1 nam\u011b\u0159en\u00e1 data na 2 r\u016fzn\u00e9 sady registr\u016f, jednou jako datov\u00fd typ Float, kdy startovac\u00ed adresa je 32 dec, a vy\u010d\u00edt\u00e1 se 32 registr\u016f (Float zab\u00edr\u00e1 2 registry, \u010dili pro 16 kan\u00e1l\u016f je t\u0159eba 32 registr\u016f). Faktem je, \u017ee ob\u010das mi to h\u00e1zelo nesmysln\u00e9 hodnoty, ale nakonec se poda\u0159ilo se &#8222;domluvit&#8220; a kan\u00e1l 16 ukazuje 0,37A.<\/p>\n\n\n\n<p>Vy\u010d\u00edt\u00e1n\u00ed dat, datov\u00fd typ Float s p\u0159esnost\u00ed 3.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"https:\/\/loxoneworks.cz\/wp-content\/uploads\/2025\/03\/image-26.png\" alt=\"\" class=\"wp-image-610\"\/><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p>Jist\u011bj\u0161\u00ed je \u010dten\u00ed Unsigned Int, po\u010d\u00ednaje registrem 96 a\u017e po 111. Hodnota je v mA.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"https:\/\/loxoneworks.cz\/wp-content\/uploads\/2025\/03\/image-27.png\" alt=\"\" class=\"wp-image-611\"\/><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p>Nastaven\u00ed komunikace a slave ID je pon\u011bkud krkolomn\u00e9. V\u0161e je skryto v registru 16 dec (10 hex). Prvn\u00edch 8 bit\u016f je adresa (slave ID), v tomto p\u0159\u00edpad\u011b tedy (00000001 bin = 1 dec). Druh\u00fdch 8 bit\u016f je ur\u010deno pro nastaven\u00ed parity a rychlosti. Konkr\u00e9tn\u011b bity 8,7,6 nepou\u017eito, 5 a 4 = 00 bez parity, 01 = even, 10 nebo 11 = odd; bity 3-1 jsou pro rychlost, kdy 9600 je jak 100 tak (dle manu\u00e1lu) i 000, a p\u00ed\u0161ou default hodnotu 000, co\u017e m\u011b zm\u00e1tlo. Nicm\u00e9n\u011b u mn\u011b byla default hodnota 00000100, co\u017e je taky 9600 baud\u016f. Ponech\u00e1v\u00e1m standard 9600\/8\/1\/N \u010dili 00000100.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"https:\/\/loxoneworks.cz\/wp-content\/uploads\/2025\/03\/image-28.png\" alt=\"\" class=\"wp-image-612\"\/><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p>Pokud budete cht\u00edt zm\u011bnit adresu nap\u0159. na \u010d\u00edslo 3, je t\u0159eba zapsat 000000<strong>1<\/strong>100000100 pomoc\u00ed funkce 06 na registr 16 dec. Pro kontrolu m\u016f\u017eete dan\u00fd registr vy\u010d\u00edst, ov\u0161em ji\u017e se (zm\u011bn\u011bn\u00fdm) Slave ID = 3.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"https:\/\/loxoneworks.cz\/wp-content\/uploads\/2025\/03\/image-29.png\" alt=\"\" class=\"wp-image-613\"\/><\/figure>\n\n\n\n<p>V n\u00e1sleduj\u00edc\u00edch dnech zapoj\u00edm do rozvad\u011b\u010de a p\u0159inesu dal\u0161\u00ed poznatky z praxe.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ji\u017e p\u0159ed dlouhou dobou jsem zakoupil modul pro m\u011b\u0159en\u00ed AC proudu (16 kan\u00e1l\u016f) pomoc\u00ed pr\u016fchoz\u00edch n\u00e1vle\u010dn\u00fdch transform\u00e1tor\u016f s komunikac\u00ed Modbus; nyn\u00ed nastal \u010das na jeho test. Proudov\u00e9 transform\u00e1tory je t\u0159eba um\u00edstit pouze na f\u00e1zov\u00e9 vodi\u010de = L (nikoliv na cel\u00fd kabel, kde je i N a PE). Vy\u017eaduj\u00ed rovn\u011b\u017e n\u011bjak\u00fd prostor v rozvad\u011b\u010di, tak\u017ee pokud [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":625,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[18,71],"tags":[63,64],"class_list":["post-609","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-loxone","category-modbus","tag-mereni-energie","tag-modbus"],"_links":{"self":[{"href":"https:\/\/loxoneworks.cz\/index.php?rest_route=\/wp\/v2\/posts\/609","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/loxoneworks.cz\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/loxoneworks.cz\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/loxoneworks.cz\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/loxoneworks.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=609"}],"version-history":[{"count":3,"href":"https:\/\/loxoneworks.cz\/index.php?rest_route=\/wp\/v2\/posts\/609\/revisions"}],"predecessor-version":[{"id":626,"href":"https:\/\/loxoneworks.cz\/index.php?rest_route=\/wp\/v2\/posts\/609\/revisions\/626"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/loxoneworks.cz\/index.php?rest_route=\/wp\/v2\/media\/625"}],"wp:attachment":[{"href":"https:\/\/loxoneworks.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=609"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/loxoneworks.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=609"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/loxoneworks.cz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=609"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}